A pre-shared key is basically just a shared secret or password that is used to authenticate an individual attempting to join a wireless network (no username or identification or than the key is required). One of the dangers of pre-shared keys is that they can be captured in a hashed format over the air, allowing an attacker to perform offline password attacks to try to guess the key. ![]() Specifically in this blog, we will focus on the dangers of pre-shared keys on your wireless networks and some steps you can take to mitigate these risks. While this is better than WEP (thank goodness we rarely see that anymore), this type of network still has some shortcomings, depending on what you are trying to protect. When conducting wireless penetration tests, the most common type of wireless network we see is WPA2-PSK.
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